html,
body {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    background: url(../images/login_bg.jpg) no-repeat center;
    background-size: cover;
}

.layui-main {
    padding: 20px 0;
}

.login-reg-box {
    width: 400px;
    height: 310px;
    background-color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -200px;
    margin-top: -155px;
}

.login-reg-box .title {
    line-height: 60px;
    text-align: center;
}

.layui-form {
    padding: 0 30px;
}

.layui-form-item {
    position: relative;
}

.layui-icon {
    position: absolute;
    top: 50%;
    left: 10px;
    margin-top: -9px;
}

.layui-input {
    padding-left: 30px;
}